Effect of Dual Task Exercise on Cognitive and Physical Function in the Elderly With Mild Cognitive Impairment

Effect of Dual-task Exercise on Cognitive and Physical Function in the Elderly With Mild Cognitive Impairment: a Randomized Controlled Trial

The purpose of this study is to investigate the effect of the dual task exercise program on cognitive and physical function in the elderly with mild cognitive impairment.

All participants provided written informed consent before study participation. A total of 12 community-dwelling participants were randomized either to the exercise group or to the control group.

The exercise group underwent 8-week, 3 times a week, 60-minute group exercise sessions, which were comprised of moderate-to-high intensity exercise and simultaneous cognitive tasks. They also performed moderate-intensity home aerobic exercises for at least 60 minutes per week. The control group performed 60-minute light intensity home exercise, 4 times a week for 8 weeks.

Inclusion Criteria:

• a score on the Korean Montreal Cognitive Assessment (MoCA-K) of 25 points or below
• aged 65 or more
• no physical or medical problem which impairs moderate to vigorous physical activity

Exclusion Criteria:

• uncontrolled or unstable cardiovascular disease
• malignancy affecting general condition
• musculoskeletal problems affecting motor performance
• speech and hearing impairment
• other organic brain diseases